Journal of the European Academy of Dermatology and VenereologyAccepted Articles LETTER TO THE EDITOR Features of Paradoxical Psoriasis and Risk Factors in Inflammatory Bowel Disease: A Systematic Review and Meta-analysis D. O. Croitoru, D. O. Croitoru orcid.org/0000-0003-4637-2291 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorS. G. Brooks, S. G. Brooks orcid.org/0000-0003-2058-777X Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorN. Nathanielsz, N. Nathanielsz Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorS. Alsukait, S. Alsukait orcid.org/0000-0002-6581-1475 Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorE. Bahashwan, E. Bahashwan Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Faculty of Medicine, University of Bisha, Bisha, Saudi ArabiaSearch for more papers by this authorA. M. Drucker, A. M. Drucker orcid.org/0000-0002-7388-9475 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorO. Silverberg, O. Silverberg orcid.org/0000-0002-9091-4679 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, CanadaSearch for more papers by this authorI. Nicolau, I. Nicolau Division of Epidemiology, Dalla Lana School of Public Health, Toronto, Ontario, CanadaSearch for more papers by this authorM. Silverberg, M. Silverberg Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Gastroenterology, Dept. Medicine, Mt. Sinai Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorJ. Yeung, J. Yeung Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, CanadaSearch for more papers by this authorJ. Limacher, J. Limacher Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Pathology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorV. Piguet, Corresponding Author V. Piguet vincent.piguet@utoronto.ca Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, Canada Correspondence Vincent Piguet, MD, PhD, FRCP, Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, Canada. Email: vincent.piguet@utoronto.caSearch for more papers by this author D. O. Croitoru, D. O. Croitoru orcid.org/0000-0003-4637-2291 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorS. G. Brooks, S. G. Brooks orcid.org/0000-0003-2058-777X Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorN. Nathanielsz, N. Nathanielsz Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Contributed equallySearch for more papers by this authorS. Alsukait, S. Alsukait orcid.org/0000-0002-6581-1475 Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorE. Bahashwan, E. Bahashwan Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Faculty of Medicine, University of Bisha, Bisha, Saudi ArabiaSearch for more papers by this authorA. M. Drucker, A. M. Drucker orcid.org/0000-0002-7388-9475 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorO. Silverberg, O. Silverberg orcid.org/0000-0002-9091-4679 Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, CanadaSearch for more papers by this authorI. Nicolau, I. Nicolau Division of Epidemiology, Dalla Lana School of Public Health, Toronto, Ontario, CanadaSearch for more papers by this authorM. Silverberg, M. Silverberg Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Gastroenterology, Dept. Medicine, Mt. Sinai Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorJ. Yeung, J. Yeung Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, CanadaSearch for more papers by this authorJ. Limacher, J. Limacher Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Pathology, Women's College Hospital, Toronto, Ontario, CanadaSearch for more papers by this authorV. Piguet, Corresponding Author V. Piguet vincent.piguet@utoronto.ca Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Division of Dermatology, Department of Medicine, University of Toronto, Ontario, Canada Division of Dermatology, Women's College Hospital, Toronto, Ontario, Canada Correspondence Vincent Piguet, MD, PhD, FRCP, Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, Canada. Email: vincent.piguet@utoronto.caSearch for more papers by this author First published: 13 March 2023 https://doi.org/10.1111/jdv.19027 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi:10.1111/jdv.19027. 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